package com.dji.sample.component.oss.service.impl;
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import com.aliyun.oss.OSS;
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import com.aliyun.oss.OSSClientBuilder;
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import com.aliyun.oss.OSSException;
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import com.aliyun.oss.model.ObjectMetadata;
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import com.aliyun.oss.model.PutObjectRequest;
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import com.aliyun.oss.model.PutObjectResult;
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import com.aliyuncs.DefaultAcsClient;
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import com.aliyuncs.IAcsClient;
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import com.aliyuncs.exceptions.ClientException;
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import com.aliyuncs.profile.DefaultProfile;
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import com.aliyuncs.sts.model.v20150401.AssumeRoleRequest;
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import com.aliyuncs.sts.model.v20150401.AssumeRoleResponse;
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import com.dji.sample.component.oss.model.OssConfiguration;
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import com.dji.sample.component.oss.service.IOssService;
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import com.dji.sdk.cloudapi.storage.CredentialsToken;
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import com.dji.sdk.cloudapi.storage.OssTypeEnum;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.io.InputStream;
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import java.net.URL;
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import java.util.Date;
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import java.util.Objects;
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/**
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* @author sean
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* @version 0.3
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* @date 2021/12/23
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*/
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@Service
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@Slf4j
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public class AliyunOssServiceImpl implements IOssService {
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private OSS ossClient;
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@Override
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public OssTypeEnum getOssType() {
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return OssTypeEnum.ALIYUN;
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}
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@Override
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public CredentialsToken getCredentials() {
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try {
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DefaultProfile profile = DefaultProfile.getProfile(
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OssConfiguration.region, OssConfiguration.accessKey, OssConfiguration.secretKey);
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IAcsClient client = new DefaultAcsClient(profile);
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AssumeRoleRequest request = new AssumeRoleRequest();
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request.setDurationSeconds(OssConfiguration.expire);
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request.setRoleArn(OssConfiguration.roleArn);
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request.setRoleSessionName(OssConfiguration.roleSessionName);
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AssumeRoleResponse.Credentials response = client.getAcsResponse(request).getCredentials();
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return new CredentialsToken(response.getAccessKeyId(), response.getAccessKeySecret(), response.getSecurityToken(), OssConfiguration.expire);
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} catch (ClientException e) {
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log.debug("Failed to obtain sts.");
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e.printStackTrace();
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}
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return null;
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}
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@Override
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public URL getObjectUrl(String bucket, String objectKey) {
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// First check if the object can be fetched.
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boolean isExist = ossClient.doesObjectExist(bucket, objectKey);
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if (!isExist) {
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throw new OSSException("The object does not exist.");
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}
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return ossClient.generatePresignedUrl(bucket, objectKey,
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new Date(System.currentTimeMillis() + OssConfiguration.expire * 1000));
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}
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@Override
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public Boolean deleteObject(String bucket, String objectKey) {
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if (!ossClient.doesObjectExist(bucket, objectKey)) {
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return true;
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}
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ossClient.deleteObject(bucket, objectKey);
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return true;
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}
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@Override
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public InputStream getObject(String bucket, String objectKey) {
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return ossClient.getObject(bucket, objectKey).getObjectContent();
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}
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@Override
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public void putObject(String bucket, String objectKey, InputStream input) {
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if (ossClient.doesObjectExist(bucket, objectKey)) {
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throw new RuntimeException("The filename already exists.");
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}
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PutObjectResult objectResult = ossClient.putObject(new PutObjectRequest(bucket, objectKey, input, new ObjectMetadata()));
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log.info("Upload FlighttaskCreateFile: {}", objectResult.getETag());
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}
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public void createClient() {
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if (Objects.nonNull(this.ossClient)) {
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return;
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}
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this.ossClient = new OSSClientBuilder()
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.build(OssConfiguration.endpoint, OssConfiguration.accessKey, OssConfiguration.secretKey);
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}
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}
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